Friedrich "Fritz" Riess or Rieß (11 July 1922 in Nuremberg – 15 May 1991 in Samedan, Switzerland) was a racing driver from Germany. He participated in one "Formula One" World Championship Grand Prix, the 1952 German Grand Prix on 3 August 1952, then run to Formula Two rules. He finished seventh, scoring no championship points as only the first five finishers scored points at that time.
Riess also won the 1952 24 Hours of Le Mans for Mercedes-Benz, sharing the 300SL (W194) drive with former champion Hermann Lang. In the 1956 Mille Miglia, he finished tenth with a private Gullwing (W198).
Complete Formula One World Championship results
Complete 24 Hours of Le Mans results